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nphuongsun93Best ResponseYou've already chosen the best response.1
\[\frac{f(x)f(1)}{x 1}\]
 one year ago

nphuongsun93Best ResponseYou've already chosen the best response.1
then you will get your answer ~ you know what's f(x) and f(1)?
 one year ago

nphuongsun93Best ResponseYou've already chosen the best response.1
f(x) = 3/(x+4) just as the question gives to find f(1), substitute x = 1 into f(x)
 one year ago

nphuongsun93Best ResponseYou've already chosen the best response.1
i will give you the answer in case ._., cos i gotta go \[f(x) = \frac{3}{x+4}\]\[f(1) = \frac{3}5\]\[\huge \frac{\frac{3}{x+4}\frac{3}{5}}{x1}\]then solve algebraically you will get\[\frac{3}{5x+20}\]
 one year ago
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